WHAT ARE YOU THOUGHTS OF PLANKTON SHEAR? RECENTLY READ IN A BOOK THAT POWERS IN A DISPLAY TANK/REFUGIUM WILL KILL PLANKTON THAT PASSES THROUGH THE POWER HEADS IMPELLERS. DOESN'T THIS PRESENT A PROBLEM--IT PREVENT PLANKTON FROM ENTERING THE REFUGIUM
Its funny--I read more on the subject og plankton shear last night, after my post, and your argument made above was made in the book--you're a wise soul--
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